| Product Identification | Back to Contents | 【Product Name】
1-Hydroxy-2-methoxybenzene | 【Synonyms】
2-Methoxyphenol
Anastil
Guaiacol
Guaiastil
Guaicol
o-Guaiacol | 【CAS】
90-05-1 | 【Formula】
C7H8O2 | 【Molecular Weight】
124.14 | 【EINECS】
201-964-7 | 【RTECS】
SL7525000 | 【RTECS Class】
Mutagen; Human Data; Primary Irritant | 【Merck】
13,4568 | 【Beilstein/Gmelin】
508112 | 【Beilstein Reference】
4-06-00-05563 | 【EC Index Number】
604-031-00-6 | 【EC Class】
Harmful; Irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless to faintly yellowish liquid or white or slightly yellow crystalline mass, darkens on exposure to air or light, characteristic sweet, slightly phenolic odor. | 【Solubility in water】
Slightly soluble | 【Melting Point】
28 - 32 | 【Boiling Point】
205 | 【Vapor Pressure】
0.18 (25 C) | 【Density】
1.1534 g/cm3 (0 C) | 【pKa/pKb】
9.97 (pKa) | 【Partition Coefficient】
1.32 | 【Heat Of Vaporization】
45.9 kJ/mol | 【Usage】
Local anesthetic agent. | 【Saturation Concentration】
197 ppm (0.02%) at 20 C (calculated) | 【Vapor Density】
4.3 | 【Refractive Index】
1.5429 (20 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. | 【Inhalation】
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from sources of ignition. Store in a cool place in the original container and protect from sunlight. Keep under a nitrogen blanket. Store protected from light and air. | 【Handling】
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with skin and eyes. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light. Store protected from air. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. |
| Hazards Identification | Back to Contents | 【Inhalation】
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes severe eye irritation. | 【Ingestion】
Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause systemic toxicity with acidosis. May be harmful if swallowed. | 【Hazards】
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. | 【EC Risk Phrase】
R 22 36/38 | 【EC Safety Phrase】
S 26 | 【UN (DOT)】
2430 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. | 【Exposure Effects】
May cause fetal effects. | 【Poison Class】
3 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
82 | 【Autoignition】
750 | 【Fire Fighting】
Fires involving this material should be controlled using a dry chemical, carbon dioxide or Halon extinguisher. | 【Upper exp. limit】
9.6 | 【Lower exp. limit】
1.3 | 【Fire Potential】
This chemical is combustible. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Scoop up with a nonsparking tool, then place into a suitable container for disposal. Remove all sources of ignition. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
1 | 【Stability】
Stable at room temperature in closed containers under normal storage and handling conditions. | 【Incompatibilities】
Strong oxidizing agents, strong bases, acid chlorides, and acid anhydrides. Darkens upon exposure to light or air, and may decompose. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
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